1. Immunization during pregnancy: ACOG Technical Bulletin Number 160, October 1991;American College of Obstetrics and Gynecology;Int J Gynaecol Obstet,1993
2. Motherisk Update: Asthma during pregnancy;Bailey;Canadian Family Physician,1997
3. A comparison of active and simulated chiropractic manipulation as adjunctive treatment for childhood asthma;Balon;N Engl J Med,1998
4. Modulatory effect of maternal serum on xenoblotic metabolizing activity of placental explants: Modification by cigarette smoking;Baruca;Hum Reprod,1994
5. Drug use in pregnancy: A preliminary report of the International Co-operative Drug Utilization Study;Bonati;Pharmacy World Science,1990